.sidebar {
	float: left;
	margin-top: 20%;
	padding-top: 40%;
	border-left: 5%;
	border-style: groove;
	width: 10%;
}

.titulo {
	font-size: x-large;
	text-align: center;
}

.listado-foros {
	background-color: silver;
	padding-left: 5%;
	padding-right: 5%;
	margin-left: 15%;
	margin-right: 15%;
	width: auto;
}